13530131269 has 2 divisors, whose sum is σ = 13530131270. Its totient is φ = 13530131268.

The previous prime is 13530131261. The next prime is 13530131297. The reversal of 13530131269 is 96213103531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6991468225 + 6538663044 = 83615^2 + 80862^2 .

It is a cyclic number.

It is not a de Polignac number, because 13530131269 - 2³ = 13530131261 is a prime.

It is a super-2 number, since 2×13530131269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530131261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765065634 + 6765065635.

It is an arithmetic number, because the mean of its divisors is an integer number (6765065635).

Almost surely, 2^13530131269 is an apocalyptic number.

It is an amenable number.

13530131269 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530131269 is an equidigital number, since it uses as much as digits as its factorization.

13530131269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The spelling of 13530131269 in words is "thirteen billion, five hundred thirty million, one hundred thirty-one thousand, two hundred sixty-nine".